Push Button Switches

A push button is a simple type of switch that controls an action in a machine or some type of process. Most of the time, the buttons are plastic or metal. The shape of the push button may conform to fingers or hands for easy use, or they may simply be flat.
Push Button Switch Operation
Push button switches typically have two key parts, an actuator and the contacts. The actuator will go all the way through the switch and into a thin cylinder at the bottom. Inside is a movable contact and spring. When the actuator is pressed, it touches with the stationary contacts, causing the action to take place.
Push buttons are available with normally open or normally closed contacts that change state when the actuator is operated. Momentary switches require the user to keep holding the button for an action to take place, this action is then reset once the button is released. Latching push buttons keep the switch in the set contact state until the button is pressed again.
Push Button Switch Uses
Push button switches are popular in a variety of different applications, including calculators, push button phones, and many home appliances. You can find them in the home, the office, and in industrial applications. They can turn machines on and off, or cause the devices to perform specific actions, as is the case with calculators. In some cases, specifically for commercial and industrial usage, the buttons can connect through mechanical linkage, which means that pushing one button can actually cause another button to release.

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Description Price Switch Operation Contact Configuration Mounting Type Illuminated Panel Cut Out Size Panel Cut Out Width Panel Cut Out Diameter Panel Cut Out Height Contact Current Rating LED Colour Series IP Rating Actuator Colour Voltage Rating
RS Stock No. 125-1663
Mfr. Part No.KP0215ACBKG036CF
£9.22
Each
Units
Momentary Single Pole Single Throw (SPST) PCB Yes - - - - 100 mA Green, Red - - Green, Red 12V dc
RS Stock No. 125-1700
Mfr. Part No.FB15ANP2
£2.072
Each (In a Bag of 5)
Units
Momentary Single Pole Single Throw (SPST) Bushing No 5.3 (Dia.)mm - 5.3mm - 500 mA - - - - 125V ac
RS Stock No. 125-1661
Mfr. Part No.HB15CKW01
£6.60
Each
Units
Momentary Single Pole Double Throw (SPDT) PCB No 8 (Dia.)mm - 8mm - 100 mA - - - - 30V ac/dc
RS Stock No. 125-1718
Mfr. Part No.SB4011NOM
£4.04
Each
Units
Momentary Single Pole Single Throw (SPST) Bushing No 12.5 (Dia.)mm - 12.5mm - 3 A - - - Black 125 V ac, 250 V ac
RS Stock No. 125-1941
Mfr. Part No.ISF15ACP4
£114.99
Each
Units
Momentary Single Pole Single Throw (SPST) PCB Yes - - - - 100 mA Blue, Green, Red - - Silver 12V dc
RS Stock No. 125-1691
Mfr. Part No.YB15WCKG01
£10.22
Each
Units
Momentary Single Pole Double Throw (SPDT) Bushing No 16 (Dia.)mm - 16mm - 100 mA - - IP65 - 28V ac/dc
RS Stock No. 125-1706
Mfr. Part No.MB2011SB1W01-DA
£5.01
Each
Units
Momentary Single Pole Double Throw (SPDT) Bushing No 12.5 (Dia.)mm - 12.5mm - 3 A - - - Black 125 V ac, 250 V ac
RS Stock No. 125-1716
Mfr. Part No.SB25
£7.42
Each
Units
Latching Double Pole Double Throw (DPDT) Bushing No 12.5 (Dia.)mm - 12.5mm - 15 A @ 125 V ac, 9 A @ 250 V ac - - - Black 125 V ac, 250 V ac
RS Stock No. 125-1702
Mfr. Part No.GB215AP
£1.388
Each (In a Bag of 5)
Units
Momentary Single Pole Single Throw (SPST) Through Hole No - - - - 100 mA - - - - 28V ac/dc
RS Stock No. 125-1696
Mfr. Part No.EB2011
£3.79
Each
Units
Momentary Single Pole Double Throw (SPDT) Bushing No 6.35 (Dia.)mm - 6.35mm - 3 A - - - - 125V ac
RS Stock No. 125-1666
Mfr. Part No.LB15CKW01
£8.25
Each
Units
Momentary Single Pole Double Throw (SPDT) Snap-In No 22 (Dia.)mm - 22mm - 3 A - - IP65 - 30 V dc, 125 V ac, 250 V ac
RS Stock No. 181-7241
Mfr. Part No.LB26RKW01
£10.60
Each
Units
On-On Double Pole Double Throw (DPDT) Snap-In Yes 22.4 x 16.2mm - - - 3 A - - IP65 - -
RS Stock No. 181-7055
Mfr. Part No.LB26RKW01
£48.20
1 Bag of 5
Bag(s)
On-On Double Pole Double Throw (DPDT) Snap-In Yes 22.4 x 16.2mm - - - 3 A - - IP65 Chrome -
RS Stock No. 125-1708
Mfr. Part No.MB2011SD8W01
£6.16
Each
Units
Momentary Single Pole Double Throw (SPDT) Bushing No - - - - 6 A - - - - 30 V dc, 125 V ac, 250 V ac
RS Stock No. 125-1695
Mfr. Part No.BB15AB
£3.38
Each
Units
Momentary Single Pole Double Throw (SPDT) PCB No - - - - 100 mA - - - - 28V ac/dc
RS Stock No. 125-1707
Mfr. Part No.MB2011SD8G01
£4.82
Each
Units
Momentary Single Pole Double Throw (SPDT) Bushing No - - - - 100 mA - - - - 28V ac/dc
RS Stock No. 125-1704
Mfr. Part No.M2B15BA5W30
£4.90
Each
Units
Momentary Single Pole Double Throw (SPDT) PCB No - - - - 1 A - - - - 30 V dc, 125 V ac
RS Stock No. 125-1714
Mfr. Part No.MB2511S4W01
£3.46
Each
Units
Momentary Single Pole Double Throw (SPDT) Bushing No 6.5 (Dia.)mm - 6.5mm - 3 A - - - - 125V ac
RS Stock No. 125-1697
Mfr. Part No.EB2011G
£4.34
Each
Units
Momentary Single Pole Double Throw (SPDT) Bushing No 6.35 (Dia.)mm - 6.35mm - 100 mA - - - - 28V ac/dc
RS Stock No. 125-1687
Mfr. Part No.UB215SKW03N
£5.30
Each
Units
Momentary Single Pole Double Throw (SPDT) PCB No - - - - 5 A - - - - 30 V dc, 125 V ac, 250 V ac